CN110379206A - A kind of early warning system and method for early warning of vehicle driving exception - Google Patents
A kind of early warning system and method for early warning of vehicle driving exception Download PDFInfo
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- CN110379206A CN110379206A CN201910680147.2A CN201910680147A CN110379206A CN 110379206 A CN110379206 A CN 110379206A CN 201910680147 A CN201910680147 A CN 201910680147A CN 110379206 A CN110379206 A CN 110379206A
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- vehicle
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- early warning
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/0104—Measuring and analyzing of parameters relative to traffic conditions
- G08G1/0108—Measuring and analyzing of parameters relative to traffic conditions based on the source of data
- G08G1/0112—Measuring and analyzing of parameters relative to traffic conditions based on the source of data from the vehicle, e.g. floating car data [FCD]
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/164—Centralised systems, e.g. external to vehicles
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
Abstract
This application provides the early warning systems and method for early warning of a kind of vehicle driving exception, early warning system includes vehicle-mounted early warning device, message retransmission unit and server, vehicle-mounted early warning device is sent out the first information of vehicles according to preset sending frequency, and message retransmission unit receives and forwards the first information of vehicles to server；Server receives the first information of vehicles, it determines the first vehicle location and calculates the running speed of the first vehicle, according to the velocity variations of the first vehicle and Adjacent vehicles, determine the first vehicle driving exception, generate warning information, the first rear of vehicle vehicle-mounted early warning device is forwarded to via message retransmission unit, and vehicle-mounted early warning device is according to the instruction of warning information, to occupant's early warning.In this way, can be monitored in real time whether driving vehicle is in abnormality by the information exchange in early warning system between vehicle-mounted early warning device, message retransmission unit and server, personnel's alarm into vehicle, helps to improve the timeliness of accident early warning in time.
Description
Technical field
This application involves safe early warning technical fields, more particularly, to the early warning system and early warning of a kind of vehicle driving exception
Method.
Background technique
With the rapid development of auto manufacturing, automobile is increasingly becoming the vehicles that people go out row major selection, people
Drive a car trip when, it is very fast in speed, on the more highway of vehicle, it is easy to traffic accident occurs,
After generation accident, in the vehicle at accident rear due to not given warning in advance and speed is too fast, secondary friendship may result in
Interpreter's event, causes unnecessary casualties, and can increase the difficulty of rescue.
At this stage, traffic accident is monitored whether by monitor video on highway, has traffic thing in discovery
Therefore when occurring, by the way that the electronic caution board of road on the way is arranged in, early warning is carried out to subsequent vehicle.At the dead angle of monitoring and
Under the lower bad weather of visibility, monitor video exist cannot promptly and accurately localized accident scene, and then can not provide
The case where early warning.Meanwhile be limited to electronic caution board arrangement density and region, driver may can't see electronic caution board
The prompt provided, leads to that the timeliness of accident early warning is poor, accuracy is low.
Summary of the invention
In view of this, a kind of early warning system and method for early warning for being designed to provide vehicle driving exception of the application, leads to
The early warning system of vehicle driving exception is crossed, whether real-time monitoring driving vehicle is in abnormality, in time the personnel into vehicle
Issue early warning.The timeliness for improving accident early warning helps that occupant is reminded to pay attention to driving safety.
The embodiment of the present application provides a kind of early warning system of vehicle driving exception, and the early warning system includes vehicle-mounted early warning
Device, message retransmission unit and server；
The vehicle-mounted early warning device is set on the first vehicle, for obtaining the information of vehicles of first vehicle, and
It is sent out the information of vehicles in the driving process of first vehicle, receives the first of the message retransmission unit forwarding
Warning information, if the second vehicle that first warning information instruction is located at first vehicle front, which is in, travels abnormal shape
State carries out early warning to the personnel in first vehicle；
The message retransmission unit is set on the travel route of first vehicle, for receiving the vehicle-mounted early warning
The information of vehicles for first vehicle that device is sent out, and the information of vehicles is sent to server, receive the clothes
The first warning information that business device is sent, and first warning information is sent to the vehicle-mounted early warning device；
The server, the information of vehicles sent for receiving the message retransmission unit, is believed based on the vehicle
Breath, determines the location information and travel speed of first vehicle, and detects whether first vehicle is in the abnormal shape of traveling
State generates if first vehicle is in traveling abnormality for sending out to the third vehicle for being located at first rear of vehicle
The second warning information sent, and second warning information is sent to the message retransmission unit.
Further, the vehicle-mounted early warning device includes signal dispatcher module and warning module；
The signal dispatcher module, for after the information of vehicles for getting first vehicle, in first vehicle
It is sent out the information of vehicles according to preset sending frequency in driving process, and message retransmission unit described in real-time reception is sent
The first warning information, and first warning information is sent to warning module；
The warning module, for when receiving first warning information, according to the finger of first warning information
Show, generates voice messaging and early warning is carried out to the personnel in first vehicle.
Further, the quantity of the message retransmission unit is multiple, two be disposed adjacent to each other the information forwarding
The distance between device is located within the scope of pre-determined distance.
Further, the server is used to determine the travel speed of first vehicle by following steps:
It determines at least one location information of first vehicle and receives the receiving time of each information of vehicles；
Based on two adjacent location informations and corresponding two neighboring receiving time in determining multiple location informations
Between time difference, calculate multiple travel speeds of first vehicle.
Further, the server is used to detect whether first vehicle is in the abnormal shape of traveling by following steps
State:
Determine whether the difference in the multiple travel speed between temporal two travel speeds of adjacent reception is greater than
Preset threshold；
If the difference is greater than preset threshold, determine that first vehicle is in traveling abnormality.
Further, it is used to detect whether first vehicle is in traveling exception by following steps in the server
When state, the server is also used to:
Obtain road video relevant to first vehicle；
If the difference is greater than preset threshold, and road video shows the non-normally travel of the first vehicle, determines institute
It states the first vehicle and is in traveling abnormality.
Further, it is used to detect whether first vehicle is in traveling exception by following steps in the server
When state, the server is also used to:
Obtain multiple travel speeds that the distance between described first vehicle is less than the 4th vehicle of pre-determined distance threshold value
The second difference between middle temporal two travel speeds of adjacent reception；
Whether the second difference for detecting the 4th vehicle is greater than preset threshold；
If the difference is greater than preset threshold, and the second difference of the 4th vehicle is greater than preset threshold, determines institute
It states the first vehicle and is in traveling abnormality.
Further, the server is also used to after generating warning information:
When determining that first vehicle is in traveling abnormality, the warning information of generation is sent to information forwarding dress
It sets, and indicates that the message retransmission unit forwards the warning information to being located at the vehicle-mounted of first vehicle heading rear
Prior-warning device.
The embodiment of the present application provides a kind of method for early warning of vehicle driving exception, is applied to above-mentioned server, described pre-
Alarm method, comprising:
When receiving the information of vehicles of the first vehicle, determine that the position of first vehicle is believed according to the information of vehicles
Breath and travel speed, and detect whether first vehicle is in traveling abnormality；
If first vehicle is in traveling abnormality, warning information is generated, and the warning information is sent to letter
Cease retransmission unit.
Further, the travel speed of first vehicle is determined by following steps:
It determines at least one location information of first vehicle and receives the receiving time of each information of vehicles；
Based on two adjacent location informations and corresponding two neighboring receiving time in determining multiple location informations
Between time difference, calculate multiple travel speeds of first vehicle.
Further, detect whether first vehicle is in traveling abnormality by following steps:
Determine whether the difference in the multiple travel speed between temporal two travel speeds of adjacent reception is greater than
Preset threshold；
If the difference is greater than preset threshold, determine that first vehicle is in traveling abnormality.
Further, detect whether first vehicle is in the abnormal shape of traveling by following steps in the method for early warning
When state, the method for early warning is also used to:
Obtain road video relevant to first vehicle；
If the difference is greater than preset threshold, and road video shows the non-normally travel of the first vehicle, determines institute
It states the first vehicle and is in traveling abnormality.
Further, detect whether first vehicle is in the abnormal shape of traveling by following steps in the method for early warning
When state, the method for early warning is also used to:
Obtain multiple travel speeds that the distance between described first vehicle is less than the 4th vehicle of pre-determined distance threshold value
The second difference between middle temporal two travel speeds of adjacent reception；
Whether the second difference for detecting the 4th vehicle is greater than preset threshold；
If the difference is greater than preset threshold, and the second difference of the 4th vehicle is greater than preset threshold, determines institute
It states the first vehicle and is in traveling abnormality.
Further, the server is also used to after generating warning information:
When determining that first vehicle is in traveling abnormality, the warning information of generation is sent to information forwarding dress
It sets, and indicates that the message retransmission unit forwards the warning information to being located at the vehicle-mounted of first vehicle heading rear
Prior-warning device.
The early warning system and method for early warning of vehicle abnormality provided by the embodiments of the present application, by being mounted on driving vehicle
Vehicle-mounted early warning device is sent out the information of vehicle, the information of vehicles that message retransmission unit will receive according to preset sending frequency
It is forwarded to server in real time, the information of vehicles that server is sent according to message retransmission unit is based on information of vehicles, determines the vehicle
Location information and travel speed, and detect whether vehicle is in traveling abnormality, however, it is determined that it is abnormal that vehicle is in traveling
State generates warning information and is sent to message retransmission unit, and message retransmission unit forwards warning information to positioned at traveling exception
The vehicle-mounted early warning device at vehicle driving rear, vehicle-mounted early warning device is after receiving warning information, according to the instruction of warning information,
Personnel into the vehicle for the rear of vehicle for being located in abnormality sound an alarm, in this way, passing through vehicle-mounted early warning device, information
Information between retransmission unit and server transmits interaction, and the timeliness of accident early warning can be improved, improve accident early warning
Timeliness helps that occupant is reminded to pay attention to driving safety.
To enable the above objects, features, and advantages of the application to be clearer and more comprehensible, preferred embodiment is cited below particularly, and cooperate
Appended attached drawing, is described in detail below.
Detailed description of the invention
Technical solution in ord to more clearly illustrate embodiments of the present application, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of structural schematic diagram of the early warning system of vehicle driving exception provided by the embodiment of the present application；
Fig. 2 is the structural schematic diagram of vehicle-mounted early warning device in Fig. 1；
Fig. 3 is a kind of flow chart of the method for early warning of vehicle driving exception provided by the embodiment of the present application；
Fig. 4 is a kind of flow chart of the method for early warning of vehicle driving exception provided by another embodiment of the application.
Icon: 100- early warning system；110- vehicle-mounted early warning device；120- message retransmission unit；130- server；111- letter
Cease transceiver module；112- warning module.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
Middle attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is only
It is some embodiments of the present application, instead of all the embodiments.The application being usually described and illustrated herein in the accompanying drawings is real
The component for applying example can be arranged and be designed with a variety of different configurations.Therefore, below to the application's provided in the accompanying drawings
The detailed description of embodiment is not intended to limit claimed scope of the present application, but is merely representative of the selected reality of the application
Apply example.Based on embodiments herein, those skilled in the art are obtained every without making creative work
A other embodiments, shall fall in the protection scope of this application.
With the rapid development of auto manufacturing, automobile is increasingly becoming the vehicles that people go out row major selection, people
Drive a car trip when, it is very fast in speed, on the more highway of vehicle, it is easy to traffic accident occurs,
After generation accident, in the vehicle at accident rear due to not given warning in advance and speed is too fast, secondary friendship may result in
Interpreter's event, causes unnecessary casualties, and can increase the difficulty of rescue.
At this stage, traffic accident is monitored whether by monitor video on highway, has traffic thing in discovery
Therefore when occurring, by the way that the electronic caution board of road on the way is arranged in, early warning is carried out to subsequent vehicle.At the dead angle of monitoring and
Under the lower bad weather of visibility, monitor video presence cannot promptly and accurately capture place where the accident occurred point, and then can not provide
The case where early warning, and be limited to electronic caution board arrangement density and region, driver may can't see electronic caution board
The prompt provided, leads to that the timeliness of accident early warning is poor, accuracy is low.
In view of this, a kind of early warning system and method for early warning for being designed to provide vehicle driving exception of the application, leads to
The early warning system 100 of vehicle driving exception is crossed, whether real-time monitoring driving vehicle is in abnormality, in time the people into vehicle
Member's alarm.The timeliness for improving accident early warning helps that occupant is reminded to pay attention to driving safety.
Firstly, a kind of early warning system 100 that traveling is abnormal disclosed in the present application is introduced.
Referring to Fig. 1, the embodiment of the present application provides a kind of early warning system 100 of vehicle driving exception.The early warning system
System 100 includes vehicle-mounted early warning device 110, message retransmission unit 120 and server 130.It is the vehicle-mounted early warning device 110, described
It is communicated to connect between message retransmission unit 120 and the server 130.Vehicle-mounted early warning device 110 according to preset sending frequency to
The information of vehicles is forwarded to server 130,130 basis of server by outer transmission information of vehicles, the message retransmission unit 120
Information of vehicles generates warning information, is forwarded to vehicle-mounted early warning device 110, vehicle-mounted early warning device via message retransmission unit 120
110 carry out early warning according to the instruction of warning information, to occupant.
Specifically, the information of vehicles of 110 real-time collecting of vehicle-mounted early warning device vehicle mounted, and according to default hair
Frequency is sent to be sent out information of vehicles.
The multiple message retransmission units 120 being arranged on the travel route of vehicle, the multiple message retransmission unit 120 can
Cover the travel route of entire vehicle with received signal range, message retransmission unit 120 receives information of vehicles, and by the vehicle
Information is forwarded to server 130.
Server 130, according to the vehicle position information of vehicle, calculates the vehicle after receiving the information of vehicles of vehicle
Specific location on travel route；According to information of vehicles and the location information of vehicle, the travel speed of vehicle, root are calculated
The situation whether vehicle has traveling abnormal is detected according to the travel speed of vehicle, however, it is determined that it is different that the vehicle is in traveling
Normal state generates corresponding warning information and is sent to message retransmission unit 120.
After message retransmission unit 120 receives warning information, the warning information will be sent out according to the instruction of server 130
Send the vehicle-mounted early warning device 110 of the vehicle loading to the rear of vehicle in traveling abnormality.
The vehicle-mounted early warning device 110 for receiving warning information accuses personnel's early warning on vehicle according to the instruction of warning information
Know in front of passengers inside the car where there is abnormal generation, pays attention to slow down.
Here, the vehicle-mounted early warning device 110 can be diversified forms, for example, entering when vehicle enters highway
It, can be using the highway passing card as letter to the highway passing card that will receive a recording information of vehicles at exit
Breath transmitting-receiving and the carrier for carrying out early warning, are also possible to that special APP is arranged on mobile phone, information of vehicles are inputted in APP, and
And allow APP in the running background of mobile phone, the information of real-time recording and sending vehicle after upper highway；Or it will not stop
Performance shape of the vehicle-mounted ETC (Electronic Toll Collection) as vehicle-mounted early warning device 110 in vehicle charging system
Formula.
Vehicle-mounted early warning device 110 is outside according to pre-set transmission frequency by the information of vehicles for the vehicle bound with oneself
It sends, multiple message retransmission units 120 is installed on the travel route of vehicle, can be covered in the message retransmission unit 120
In the information range of receiving of lid, the information of vehicles that vehicle-mounted early warning device 110 issues is received.
Here, the message retransmission unit 120 can be the base station being arranged on the way, and deployed position and density need to guarantee
The information that vehicle-mounted early warning device 110 issues can be received.For example, transmitting good open field in information can suitably add
The distance between big two neighboring base station, the place that information delivery context is intersected in tunnel, mountain area etc. can be suitably by adjacent two
Shorten the distance between a base station.
Information of vehicles is sent to server 130 by message retransmission unit 120, and server 130 is receiving vehicle location letter
After breath, the location information of same vehicle is summarized, obtains real time position of the vehicle on travel route, and be calculated
Velocity information.
For example, server 130 continuously receives 3 location informations of vehicle, it is at 300 kilometers of the road A, at 301 kilometers respectively
At 303 kilometers, in conjunction with the time interval for receiving information every time, the real-time travel speed of vehicle can detecte.
Server 130 compares whether the speed of vehicle in a nearest period surpasses with the variation of the speed of period before
Preset threshold is crossed, if it is more than default that the speed of vehicle, which is compared with the variation of speed in previous time period, in a nearest period
Threshold value, then the vehicle has a possibility that traveling is abnormal, wherein the vehicle driving may include: extremely vehicle stop suddenly, vehicle
Traffic accident etc. occurs.It is directed to current vehicle, there are two types of situation, a kind of situation is for the judgement that server 130 carries out it
Judge whether current vehicle is in traveling abnormality, if the current vehicle is in traveling abnormality, to current vehicle row
Sail the vehicle early warning after direction；Another kind is to judge whether the front of current vehicle has accident, if current vehicle travels
There is accident in front, then needs to current vehicle early warning.
In the case of first, four information, each information are received altogether for same vehicle in server 130 at this stage
There is the received time, according to the difference for the time that adjacent two datas information receives, calculates the travel speed of vehicle, example
Such as, the time of recently received data information be 9:40, receive a upper information adjacent thereto time be 9:39, two
The distance interval of information feedback is 1.5km, then it is 90km/h that vehicle, which can be calculated, in speed instantly.According to the above method
Speed of the vehicle in each period is calculated, vehicle in the speed of vehicle and current slot is compared in the previous period
Speed.Detect the speed of current slot variation it is no be more than preset threshold, i.e., there is a situation where emergency stop, for example, speed suddenly from
90km/h reduction of speed even arrives 0km/h to 20km/h, and at this moment, which has a possibility that traveling is abnormal, which need to be carried out into
The observation of one step.Detection is the case where whether there is also vehicle emergency stops for the vehicle of the vehicle periphery, in the surrounding vehicles table of vehicle
Show the vehicle all around within a preset range in the vehicle.If feelings steady in these vehicle drivings, not slowing down suddenly
A possibility that condition occurs, and traffic accident occurs in this case is relatively low, can be by the monitor video on road, to check
Whether the vehicle is abnormal, in the non-normally travel of single vehicle, in fact it could happen that the case where include vehicle itself goes wrong,
The problem of due to road, the vehicle that vehicle driving is slowed down suddenly either before the vehicle rear-end collision, it is also possible to which the vehicle bumps against
The barriers such as the isolation strip of road, so as to cause the generation of deceleration situations, according to the concrete condition of vehicle situation occurred, Ye Jifa
When raw traffic accident, server 130 generates warning message；If what the vehicle of the vehicle periphery was also slowed down suddenly
Situation, then bigger a possibility that traffic accident occurs for the traveling-position of the vehicle, server 130 is according to the position of vehicle
Information generate warning information be sent to corresponding message retransmission unit 120, wherein warning information include occur traffic accident when
Between and place, to remind subsequent vehicle to pay attention to traffic safety.The warning information is sent to the vehicle after accident vehicle,
Warning information can inform when where passengers inside the car have occurred traffic accident, inform that subsequent vehicle slows down with this, keep away
To exempt from that accident occurs again, for example vehicle travels eastwards, the warning information is sent to each vehicle in vehicle west side,
It reminds and pays attention to driving safety in the occupant of each vehicle in vehicle west side.
Under second situation, when detecting in current vehicle driving direction, the vehicle positioned at front, which is in, travels abnormal shape
When state, the warning information received is sent to vehicle-mounted early warning device 110 by the message retransmission unit 120.
The vehicle-mounted early warning device 110 after receiving warning information, according to the instruction of warning information to occupant into
Row early warning.For example, after receiving warning information, being broadcast by voice when vehicle-mounted early warning device 110 is highway passing card
The time for reporting the location of accident vehicle and accident to occur, and according to the position of accident vehicle and receive warning information
Vehicle position, broadcast distance of this vehicle apart from place where the accident occurred point, cause occupant to pay attention to this.
The early warning system 100 of vehicle driving exception provided by the embodiments of the present application, it is vehicle-mounted pre- on vehicle by being set to
Alarm device 110 determines information of vehicles, and is sent out information of vehicles according to predeterminated frequency, is arranged on the way on route or travel by vehicle
Message retransmission unit 120 receive the information of vehicles that is sent out of vehicle-mounted early warning device 110, and the information of vehicles is forwarded to
Server 130, server 130 determine the travel speed of vehicle position information and vehicle, root after receiving information of vehicles
According to the variation of the travel speed of vehicle, detect whether the vehicle occurs accident, it is raw after determining that accident occurs for the vehicle
At warning information, according to the position that accident occurs, the warning information is sent to message retransmission unit 120, information forwarding dress
Set 120 vehicle-mounted early warning devices 110 warning information being forwarded in accident vehicle front vehicle, vehicle-mounted early warning device 110
After receiving warning information, early warning is carried out to interior personnel according to the instruction of warning information.
In this way, collecting information of vehicles by vehicle-mounted early warning device 110, and service is forwarded to via message retransmission unit 120
Device 130, server 130 generate warning information, 120 forwarding server 130 of message retransmission unit according to the information of vehicles
The information of vehicles of generation to vehicle-mounted early warning device 110, vehicle-mounted early warning device 110 is believed after receiving warning information according to early warning
The instruction of breath carries out early warning to interior personnel.The timeliness that accident early warning can be improved helps that occupant is reminded to pay attention to
Driving safety.
Referring to Fig. 2, if Fig. 2 is the structural schematic diagram of vehicle-mounted early warning device 110 in Fig. 1:
The vehicle-mounted early warning device 110 includes signal dispatcher module 111 and warning module 112；
The signal dispatcher module 111, for after the information of vehicles for getting first vehicle, in first vehicle
The information of vehicles, and message retransmission unit described in real-time reception are sent out according to preset sending frequency in driving process
120 the first warning information sent, and first warning information is sent to warning module 112；
The warning module 112, for when receiving first warning information, according to first warning information
Instruction generates voice messaging and carries out early warning to the personnel in first vehicle.
It here, is by being carried in vehicle-mounted early warning device 110 when vehicle-mounted early warning device 110 carries out information transmit-receive and early warning
Signal dispatcher module 111 and warning module 112 come what is carried out, be highway passing card with the vehicle-mounted early warning device 110
For, when vehicle is into highway, the unique identifications such as license plate number of vehicle are tied up with the highway passing card
It is fixed, in the signal dispatcher module 111 of highway passing card, by information of vehicles such as the license plate numbers of the vehicle according to default hair
Send frequency to be sent out, and receive the transmission of message retransmission unit 120 for the first vehicle early warning information, received in the information
After hair module 111 receives warning information, the information parsed in warning information passes through warning module according to the instruction of information
112 voice broadcast warning information contents, such as " accident occurring at front XX meters, it is noted that slow down " remind occupant
Pay attention to driving safety, avoid that traffic accident occurs again, secondary injury is caused to the vehicle that accident has occurred.
Vehicle-mounted early warning device 110 in the embodiment of the present application is pressed the information of vehicles of vehicle by signal dispatcher module 111
It is sent out according to predeterminated frequency, and receives the warning information of the forwarding of message retransmission unit 120, according to the finger of the warning information
Show, warning module 112 to personnel's early warning in vehicle, improves the timeliness of accident early warning in real time, helps to remind occupant
Pay attention to driving safety.
It is shown in Figure 3, it is a kind of method for early warning of vehicle driving exception provided by the embodiments of the present application, is applied to service
Device 130, the method for early warning include:
Step 301, when receiving the information of vehicles of the first vehicle, first vehicle is determined according to the information of vehicles
Location information and travel speed, and detect whether first vehicle is in traveling abnormality.
In the step, when the server 130 receives the information of vehicles of vehicle, the information of same vehicle is converged
Always, it determines at least one location information of the vehicle and receives the receiving time of each information of vehicles, according to determining more
Time difference in a location information between two adjacent location informations and corresponding two neighboring receiving time, described in calculating
Multiple travel speeds of vehicle.Server 130 according to temporal two travel speeds of adjacent reception in multiple travel speeds it
Between difference, determine whether the vehicle is in driving status.
If step 302, first vehicle are in traveling abnormality, warning information is generated, and by the warning information
It is sent to message retransmission unit.
In the step, after determining the first vehicle driving exception, according to the location information of first vehicle and institute
The abnormal time generation warning information of the traveling of the first vehicle is stated, the warning information is sent to corresponding message retransmission unit
120。
Wherein, the vehicle driving is abnormal, comprising: vehicle stops suddenly, traffic accident etc. occurs for vehicle.
Further, the travel speed of first vehicle is determined by following steps:
It determines at least one location information of first vehicle and receives the receiving time of each location information；It is based on
Time difference in determining multiple location informations between two adjacent location informations and corresponding two neighboring receiving time,
Calculate multiple travel speeds of first vehicle.
In the step, server 130 receives at least one location information of first vehicle, and counts each position
The receiving time of information, when according to the distance between the two of adjacent time location informations difference and corresponding two neighboring reception
Between between time difference, calculate multiple travel speeds of first vehicle.
Further, detect whether first vehicle is in traveling abnormality by following steps:
Determine whether the difference in the multiple travel speed between temporal two travel speeds of adjacent reception is greater than
Preset threshold；If the difference is greater than preset threshold, determine that first vehicle is in traveling abnormality.
In the step, server 130 calculates vehicle in the corresponding time according to adjacent two information of the same vehicle received
Travel speed in section, compare each period before the velocity contrast of vehicle in nearest period variation whether be more than
Preset threshold, if the velocity variations of vehicle are more than preset threshold in a nearest period, which has traveling exception
Possibility.For example, speed, suddenly from 120km/h reduction of speed to 20km/h even to 0km/h, at this moment, which has traveling exception
Possibility need to further observe the vehicle.
Further, detect whether first vehicle is in traveling abnormality by following steps:
Obtain road video relevant to first vehicle；If the difference is greater than preset threshold, and road video
It shows the non-normally travel of the first vehicle, determines that first vehicle is in traveling abnormality.
In the step, it can further determine that whether the vehicle is abnormal by the monitor video on road, in list
When the non-normally travel of vehicle, in fact it could happen that the case where include vehicle itself goes wrong, due to road the problem of, vehicle driving
Vehicle before either vehicle rear-end collision of slowing down suddenly, it is also possible to the vehicle bumps against the barriers such as the isolation strip of road, from
And lead to the generation of deceleration situations, and according to the concrete condition of vehicle situation occurred, namely when generation traffic accident, server
130 generate warning message.
Further, it can also detect whether first vehicle is in traveling abnormality by following steps:
Obtain multiple travel speeds that the distance between described first vehicle is less than the 4th vehicle of pre-determined distance threshold value
The second difference between middle temporal two travel speeds of adjacent reception；Whether the second difference for detecting the 4th vehicle is big
In preset threshold；If the difference is greater than preset threshold, and the second difference of the 4th vehicle is greater than preset threshold, determines
First vehicle is in traveling abnormality.
In the step, when determining the vehicle driving exception, in the vehicle of the vehicle periphery, whether there is also vehicles for detection
The case where emergency stop, indicates the vehicle in the vehicle all around within a preset range in the surrounding vehicles of vehicle.If the vehicle
The case where unexpected deceleration also has occurred in the vehicle of surrounding, then traffic accident a possibility that ratio occurs for the traveling-position in the vehicle
It is larger.
The method for early warning of vehicle driving exception provided by the embodiments of the present application is applied to server 130, when receiving first
When the information of vehicles of vehicle, according to the information of vehicles, position and the speed of first vehicle are determined, and detect described first
Whether vehicle travels exception；If first vehicle driving is abnormal, warning information is generated, and the warning information is sent to letter
Cease retransmission unit 120.
In this way, server 130 in the information of vehicles for receiving vehicle, according to the information of vehicles, determines the vehicle
Location information detect whether the vehicle is abnormal and according to the travel speed of the vehicle calculated, if vehicle occurs
It is abnormal, then warning information is generated, message retransmission unit 120 is sent to.It can effectively detect whether the vehicle travels exception,
And generate warning information and carry out early warning, help to improve the timeliness and accuracy of early warning.
Referring to Fig. 4, Fig. 4 is a kind of method for early warning process for vehicle driving exception that another embodiment of the application provides
Figure.As shown in Figure 4, the method for early warning of a kind of vehicle driving exception provided by the embodiments of the present application is applied to server 130,
The method for early warning includes:
Step 301, when receiving the information of vehicles of the first vehicle, first vehicle is determined according to the information of vehicles
Location information and travel speed, and detect whether first vehicle is in traveling abnormality.
If step 302, first vehicle driving are abnormal, warning information is generated, and the warning information is sent to letter
Cease retransmission unit.
Step 303, the instruction message retransmission unit forward the warning information to being located at the first vehicle driving side
Vehicle-mounted early warning device rearward.
In the step, when determining that the first vehicle is likely to occur abnormality, i.e., described first vehicle, which has, occurs accident
A possibility that when, server 130 generates warning information, and the warning information is sent to message retransmission unit 120, and indicate
The message retransmission unit 120 forwards the warning information to the vehicle-mounted early warning device 110 of accident vehicle front vehicle, reminds
The occupant at accident vehicle rear, pays attention to driving safety.
Wherein, warning information includes the when and where that traffic accident occurs, to remind subsequent vehicle to pay attention to traffic safety,
Warning information can inform when where passengers inside the car have occurred traffic accident, inform that subsequent vehicle slows down with this, keep away
To exempt from that accident occurs again, for example vehicle travels eastwards, the warning information is sent to each vehicle in vehicle west side,
It reminds and pays attention to driving safety in the occupant of each vehicle in vehicle west side.
The method for early warning of vehicle driving exception provided by the embodiments of the present application is applied to server 130, when receiving first
When the information of vehicles of vehicle, according to the information of vehicles, position and the speed of first vehicle are determined, and detect described first
Whether vehicle travels exception；If first vehicle driving is abnormal, warning information is generated, and the warning information is sent to letter
Cease retransmission unit 120；The message retransmission unit forwards the warning information to being located at first vehicle heading rear
Vehicle-mounted early warning device 110.
In this way, server 130 in the information of vehicles for receiving vehicle, according to the information of vehicles, determines the vehicle
Position detect whether the vehicle is abnormal and according to the speed of the vehicle calculated, if vehicle is abnormal,
Warning information is generated, message retransmission unit 120 is sent to.It can effectively detect whether the vehicle travels exception, and generate
Warning information carries out early warning, improves the timeliness and accuracy of early warning.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.
In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with
It realizes by another way.The apparatus embodiments described above are merely exemplary, for example, the division of the unit,
Only a kind of logical function partition, there may be another division manner in actual implementation, in another example, multiple units or components can
To combine or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or beg for
The mutual coupling, direct-coupling or communication connection of opinion can be through some communication interfaces, device or unit it is indirect
Coupling or communication connection can be electrical property, mechanical or other forms.
The unit as illustrated by the separation member may or may not be physically separated, aobvious as unit
The component shown may or may not be physical unit, it can and it is in one place, or may be distributed over multiple
In network unit.It can select some or all of unit therein according to the actual needs to realize the mesh of this embodiment scheme
's.
It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit
It is that each unit physically exists alone, can also be integrated in one unit with two or more units.
It, can be with if the function is realized in the form of SFU software functional unit and when sold or used as an independent product
It is stored in the executable non-volatile computer-readable storage medium of a processor.Based on this understanding, the application
Technical solution substantially the part of the part that contributes to existing technology or the technical solution can be with software in other words
The form of product embodies, which is stored in a storage medium, including some instructions use so that
One computer equipment (can be personal computer, server or the network equipment etc.) executes each embodiment institute of the application
State all or part of the steps of method.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only
Memory, ROM), random access memory (Random Access Memory, RAM), magnetic or disk etc. is various to deposit
Store up the medium of program code.
Finally, it should be noted that embodiment described above, the only specific embodiment of the application, to illustrate the application
Technical solution, rather than its limitations, the protection scope of the application is not limited thereto, although with reference to the foregoing embodiments to this Shen
It please be described in detail, those skilled in the art should understand that: anyone skilled in the art
Within the technical scope of the present application, it can still modify to technical solution documented by previous embodiment or can be light
It is readily conceivable that variation or equivalent replacement of some of the technical features；And these modifications, variation or replacement, do not make
The essence of corresponding technical solution is detached from the spirit and scope of the embodiment of the present application technical solution, should all cover the protection in the application
Within the scope of.Therefore, the protection scope of the application should be subject to the protection scope in claims.
Claims (10)
1. a kind of early warning system of vehicle driving exception, which is characterized in that the early warning system includes vehicle-mounted early warning device, information
Retransmission unit and server；
The vehicle-mounted early warning device is set on the first vehicle, for obtaining the information of vehicles of first vehicle, and described
It is sent out the information of vehicles in the driving process of first vehicle, receives the first early warning of the message retransmission unit forwarding
Information is right if the second vehicle that first warning information instruction is located at first vehicle front is in traveling abnormality
Personnel in first vehicle carry out early warning；
The message retransmission unit is set on the travel route of first vehicle, for receiving the vehicle-mounted early warning device
The information of vehicles for first vehicle being sent out, and the information of vehicles is sent to server, receive the server
The first warning information sent, and first warning information is sent to the vehicle-mounted early warning device；
The server, the information of vehicles sent for receiving the message retransmission unit, is based on the information of vehicles, really
The location information and travel speed of fixed first vehicle, and detect whether first vehicle is in traveling abnormality, if
First vehicle is in traveling abnormality, generates for sending to the third vehicle for being located at first rear of vehicle
Two warning information, and second warning information is sent to the message retransmission unit.
2. early warning system according to claim 1, which is characterized in that the vehicle-mounted early warning device includes signal dispatcher module
And warning module；
The signal dispatcher module, for after the information of vehicles for getting first vehicle, in first vehicle driving
Be sent out the information of vehicles according to preset sending frequency in the process, and message retransmission unit described in real-time reception send the
One warning information, and first warning information is sent to warning module；
The warning module, for according to the instruction of first warning information, giving birth to when receiving first warning information
Early warning is carried out to the personnel in first vehicle at voice messaging.
3. early warning system according to claim 1, which is characterized in that the quantity of the message retransmission unit be it is multiple, that
The distance between this two described message retransmission unit being disposed adjacent is located within the scope of pre-determined distance.
4. early warning system according to claim 1, which is characterized in that the server is used to determine institute by following steps
State the travel speed of the first vehicle:
It determines at least one location information of first vehicle and receives the receiving time of each location information；
Based in determining multiple location informations between two adjacent location informations and corresponding two neighboring receiving time
Time difference, calculate multiple travel speeds of first vehicle.
5. early warning system according to claim 4, which is characterized in that the server is used to detect institute by following steps
State whether the first vehicle is in traveling abnormality:
It is default to determine whether the difference in the multiple travel speed between temporal two travel speeds of adjacent reception is greater than
Threshold value；
If the difference is greater than preset threshold, determine that first vehicle is in traveling abnormality.
6. early warning system according to claim 5, which is characterized in that be used to detect by following steps in the server
When whether first vehicle is in traveling abnormality, the server is also used to:
Obtain road video relevant to first vehicle；
If the difference is greater than preset threshold, and road video shows the non-normally travel of the first vehicle, determines described the
One vehicle is in traveling abnormality.
7. early warning system according to claim 5, which is characterized in that be used to detect by following steps in the server
When whether first vehicle is in traveling abnormality, the server is also used to:
Obtain phase in the multiple travel speeds for the 4th vehicle that the distance between described first vehicle is less than pre-determined distance threshold value
The second difference between two travel speeds in adjacent receiving time；
Whether the second difference for detecting the 4th vehicle is greater than preset threshold；
If the difference is greater than preset threshold, and the second difference of the 4th vehicle is greater than preset threshold, determines described the
One vehicle is in traveling abnormality.
8. early warning system according to claim 1, which is characterized in that the server is after generating warning information, also
For:
When determining that first vehicle is in traveling abnormality, the warning information of generation is sent to message retransmission unit,
And indicate that the message retransmission unit forwards the warning information to being located at the vehicle-mounted pre- of first vehicle heading rear
Alarm device.
9. a kind of method for early warning of vehicle driving exception, which is characterized in that be applied to as described in any one of claims 1 to 8
Early warning system in server, the method for early warning includes:
When receiving the information of vehicles of the first vehicle, according to the information of vehicles determine first vehicle location information and
Travel speed, and detect whether first vehicle is in traveling abnormality；
If first vehicle is in traveling abnormality, warning information is generated, and the warning information is sent to information and is turned
Transmitting apparatus.
10. method for early warning according to claim 9, which is characterized in that determine first vehicle by following steps
Travel speed:
It determines at least one location information of first vehicle and receives the receiving time of each information of vehicles；
Based in determining multiple location informations between two adjacent location informations and corresponding two neighboring receiving time
Time difference, calculate multiple travel speeds of first vehicle.
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| CN201910680147.2A CN110379206B (en) | 2019-07-26 | 2019-07-26 | Early warning system and early warning method for abnormal vehicle running |
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| CN201910680147.2A CN110379206B (en) | 2019-07-26 | 2019-07-26 | Early warning system and early warning method for abnormal vehicle running |
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